dmlib: src/dmstring.c annotate

annotate src/dmstring.c @ 2079:9b6027d51f76

Move dm_strdup_fext() and dm_basefilename() to gfxconv, as they are only used there.

author	Matti Hamalainen <ccr@tnsp.org>
date	Mon, 10 Dec 2018 19:24:45 +0200
parents	eeddaf411083
children	63dd0a611586

rev	line source
0 32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1 #include "dmlib.h"
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2 #include <stdarg.h>
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	3
813 b0cd28b6c9f3 Add new utility functions. Matti Hamalainen <ccr@tnsp.org> parents: 812 diff changeset	4
2027 750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	5 /* Compare two strings ignoring case [strcasecmp, strncasecmp]
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	6 */
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	7 int dm_strcasecmp(const char haystack, const char needle)
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	8 {
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	9 const char s1 = haystack, s2 = needle;
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	10 assert(haystack != NULL);
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	11 assert(needle != NULL);
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	12
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	13 if (haystack == needle)
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	14 return 0;
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	15
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	16 while (s1 && s2)
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	17 {
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	18 int k = tolower(s1) - tolower(s2);
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	19 if (k != 0)
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	20 return k;
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	21 s1++;
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	22 s2++;
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	23 }
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	24
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	25 return 0;
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	26 }
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	27
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	28
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	29 int dm_strncasecmp(const char haystack, const char needle, size_t n)
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	30 {
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	31 const char s1 = haystack, s2 = needle;
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	32 assert(haystack != NULL);
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	33 assert(needle != NULL);
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	34
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	35 if (haystack == needle)
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	36 return 0;
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	37
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	38 while (n > 0 && s1 && s2)
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	39 {
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	40 int k = tolower(s1) - tolower(s2);
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	41 if (k != 0)
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	42 return k;
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	43 s1++;
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	44 s2++;
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	45 n--;
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	46 }
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	47
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	48 return 0;
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	49 }
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	50
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	51
817 e574764ae065 Add comments. Matti Hamalainen <ccr@tnsp.org> parents: 816 diff changeset	52 /* Check if end of the given string str matches needle
e574764ae065 Add comments. Matti Hamalainen <ccr@tnsp.org> parents: 816 diff changeset	53 * case-insensitively, return pointer to start of the match,
e574764ae065 Add comments. Matti Hamalainen <ccr@tnsp.org> parents: 816 diff changeset	54 * if found, NULL otherwise.
e574764ae065 Add comments. Matti Hamalainen <ccr@tnsp.org> parents: 816 diff changeset	55 */
816 091461e0213f Add new utility function. Matti Hamalainen <ccr@tnsp.org> parents: 813 diff changeset	56 char dm_strrcasecmp(char str, const char *needle)
091461e0213f Add new utility function. Matti Hamalainen <ccr@tnsp.org> parents: 813 diff changeset	57 {
091461e0213f Add new utility function. Matti Hamalainen <ccr@tnsp.org> parents: 813 diff changeset	58 if (str == NULL \|\| needle == NULL)
091461e0213f Add new utility function. Matti Hamalainen <ccr@tnsp.org> parents: 813 diff changeset	59 return NULL;
091461e0213f Add new utility function. Matti Hamalainen <ccr@tnsp.org> parents: 813 diff changeset	60
091461e0213f Add new utility function. Matti Hamalainen <ccr@tnsp.org> parents: 813 diff changeset	61 const size_t
091461e0213f Add new utility function. Matti Hamalainen <ccr@tnsp.org> parents: 813 diff changeset	62 slen = strlen(str),
091461e0213f Add new utility function. Matti Hamalainen <ccr@tnsp.org> parents: 813 diff changeset	63 nlen = strlen(needle);
1102 e06abfde6c39 Cosmetics pass: Remove excess whitespace. Matti Hamalainen <ccr@tnsp.org> parents: 836 diff changeset	64
816 091461e0213f Add new utility function. Matti Hamalainen <ccr@tnsp.org> parents: 813 diff changeset	65 if (slen < nlen)
091461e0213f Add new utility function. Matti Hamalainen <ccr@tnsp.org> parents: 813 diff changeset	66 return NULL;
091461e0213f Add new utility function. Matti Hamalainen <ccr@tnsp.org> parents: 813 diff changeset	67
2076 eeddaf411083 Fix dm_strrcasecmp(). Matti Hamalainen <ccr@tnsp.org> parents: 2027 diff changeset	68 if (dm_strcasecmp(str + slen - nlen, needle) == 0)
eeddaf411083 Fix dm_strrcasecmp(). Matti Hamalainen <ccr@tnsp.org> parents: 2027 diff changeset	69 return str + slen - nlen;
816 091461e0213f Add new utility function. Matti Hamalainen <ccr@tnsp.org> parents: 813 diff changeset	70 else
091461e0213f Add new utility function. Matti Hamalainen <ccr@tnsp.org> parents: 813 diff changeset	71 return NULL;
091461e0213f Add new utility function. Matti Hamalainen <ccr@tnsp.org> parents: 813 diff changeset	72 }
091461e0213f Add new utility function. Matti Hamalainen <ccr@tnsp.org> parents: 813 diff changeset	73
091461e0213f Add new utility function. Matti Hamalainen <ccr@tnsp.org> parents: 813 diff changeset	74
744 2726d91e3409 Add implementation of dm_strndup(). Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	75 /* Implementation of strdup() with a NULL check
0 32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	76 */
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	77 char dm_strdup(const char s)
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	78 {
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	79 char *res;
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	80 if (s == NULL)
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	81 return NULL;
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	82
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	83 if ((res = dmMalloc(strlen(s) + 1)) == NULL)
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	84 return NULL;
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	85
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	86 strcpy(res, s);
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	87 return res;
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	88 }
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	89
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	90
744 2726d91e3409 Add implementation of dm_strndup(). Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	91 /* Implementation of strndup() with NULL check
2726d91e3409 Add implementation of dm_strndup(). Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	92 */
2027 750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	93 char dm_strndup(const char str, const size_t n)
744 2726d91e3409 Add implementation of dm_strndup(). Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	94 {
2726d91e3409 Add implementation of dm_strndup(). Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	95 char *res;
2027 750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	96 if (str == NULL)
744 2726d91e3409 Add implementation of dm_strndup(). Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	97 return NULL;
2726d91e3409 Add implementation of dm_strndup(). Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	98
2027 750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	99 size_t len = strlen(str);
744 2726d91e3409 Add implementation of dm_strndup(). Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	100 if (len > n)
2726d91e3409 Add implementation of dm_strndup(). Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	101 len = n;
2726d91e3409 Add implementation of dm_strndup(). Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	102
2726d91e3409 Add implementation of dm_strndup(). Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	103 if ((res = dmMalloc(len + 1)) == NULL)
2726d91e3409 Add implementation of dm_strndup(). Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	104 return NULL;
2726d91e3409 Add implementation of dm_strndup(). Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	105
2027 750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	106 memcpy(res, str, len);
744 2726d91e3409 Add implementation of dm_strndup(). Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	107 res[len] = 0;
2726d91e3409 Add implementation of dm_strndup(). Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	108
2726d91e3409 Add implementation of dm_strndup(). Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	109 return res;
2726d91e3409 Add implementation of dm_strndup(). Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	110 }
2726d91e3409 Add implementation of dm_strndup(). Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	111
2726d91e3409 Add implementation of dm_strndup(). Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	112
2027 750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	113 /* Like strdup, but trims whitespace from the string according to specified flags.
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	114 * See DM_TRIM_* in dmlib.h. If the resulting string would be empty (length 0),
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	115 * NULL is returned.
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	116 */
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	117 static char * dm_strdup_trim_do(const char *src, size_t len, const int flags)
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	118 {
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	119 char *res;
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	120 size_t start, end;
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	121
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	122 if (len == 0)
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	123 return NULL;
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	124
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	125 // Trim start: find first non-whitespace character
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	126 if (flags & DM_TRIM_START)
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	127 for (start = 0; start < len && isspace(src[start]); start++);
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	128 else
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	129 start = 0;
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	130
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	131 // Trim end: find last non-whitespace character
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	132 if (flags & DM_TRIM_END)
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	133 for (end = len - 1; end > start && isspace(src[end]); end--);
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	134 else
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	135 end = len;
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	136
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	137 // Allocate memory for result
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	138 if (src[end] == 0 \|\| isspace(src[end]))
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	139 return NULL;
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	140
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	141 len = end - start + 1;
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	142 if ((res = dmMalloc(len + 1)) == NULL)
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	143 return NULL;
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	144
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	145 memcpy(res, src + start, len);
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	146 res[len] = 0;
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	147 return res;
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	148 }
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	149
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	150
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	151 char dm_strdup_trim(const char src, const int flags)
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	152 {
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	153 if (src == NULL)
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	154 return NULL;
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	155
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	156 return dm_strdup_trim_do(src, strlen(src), flags);
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	157 }
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	158
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	159
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	160 char dm_strndup_trim(const char src, const size_t n, const int flags)
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	161 {
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	162 size_t len;
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	163 if (src == NULL \|\| n == 0)
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	164 return NULL;
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	165
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	166 for (len = 0; len < n && src[len]; len++);
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	167
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	168 return dm_strdup_trim_do(src, len, flags);
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	169 }
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	170
750a7e125546 Add in several string helper functions from th-libs. Matti Hamalainen <ccr@tnsp.org> parents: 1884 diff changeset	171
0 32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	172 /* Simulate a sprintf() that allocates memory
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	173 */
1884 47fe47f01fea Implement dm_strdup_vprintf_len(const char fmt, va_list args, int len), which Matti Hamalainen <ccr@tnsp.org> parents: 1102 diff changeset	174 char dm_strdup_vprintf_len(const char fmt, va_list args, int *len)
0 32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	175 {
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	176 int size = 64;
836 85442780089f Fix reallocation. Matti Hamalainen <ccr@tnsp.org> parents: 817 diff changeset	177 char buf, tmp;
0 32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	178
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	179 if ((buf = dmMalloc(size)) == NULL)
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	180 return NULL;
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	181
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	182 while (1)
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	183 {
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	184 va_list ap;
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	185 va_copy(ap, args);
1884 47fe47f01fea Implement dm_strdup_vprintf_len(const char fmt, va_list args, int len), which Matti Hamalainen <ccr@tnsp.org> parents: 1102 diff changeset	186 *len = vsnprintf(buf, size, fmt, ap);
0 32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	187 va_end(ap);
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	188
1884 47fe47f01fea Implement dm_strdup_vprintf_len(const char fmt, va_list args, int len), which Matti Hamalainen <ccr@tnsp.org> parents: 1102 diff changeset	189 if (len > -1 && len < size)
0 32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	190 return buf;
1884 47fe47f01fea Implement dm_strdup_vprintf_len(const char fmt, va_list args, int len), which Matti Hamalainen <ccr@tnsp.org> parents: 1102 diff changeset	191 if (*len > -1)
47fe47f01fea Implement dm_strdup_vprintf_len(const char fmt, va_list args, int len), which Matti Hamalainen <ccr@tnsp.org> parents: 1102 diff changeset	192 size = *len + 1;
0 32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	193 else
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	194 size *= 2;
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	195
836 85442780089f Fix reallocation. Matti Hamalainen <ccr@tnsp.org> parents: 817 diff changeset	196 if ((tmp = dmRealloc(buf, size)) == NULL)
85442780089f Fix reallocation. Matti Hamalainen <ccr@tnsp.org> parents: 817 diff changeset	197 {
85442780089f Fix reallocation. Matti Hamalainen <ccr@tnsp.org> parents: 817 diff changeset	198 dmFree(buf);
0 32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	199 return NULL;
836 85442780089f Fix reallocation. Matti Hamalainen <ccr@tnsp.org> parents: 817 diff changeset	200 }
85442780089f Fix reallocation. Matti Hamalainen <ccr@tnsp.org> parents: 817 diff changeset	201 else
85442780089f Fix reallocation. Matti Hamalainen <ccr@tnsp.org> parents: 817 diff changeset	202 buf = tmp;
0 32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	203 }
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	204 }
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	205
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	206
1884 47fe47f01fea Implement dm_strdup_vprintf_len(const char fmt, va_list args, int len), which Matti Hamalainen <ccr@tnsp.org> parents: 1102 diff changeset	207 char dm_strdup_vprintf(const char fmt, va_list args)
47fe47f01fea Implement dm_strdup_vprintf_len(const char fmt, va_list args, int len), which Matti Hamalainen <ccr@tnsp.org> parents: 1102 diff changeset	208 {
47fe47f01fea Implement dm_strdup_vprintf_len(const char fmt, va_list args, int len), which Matti Hamalainen <ccr@tnsp.org> parents: 1102 diff changeset	209 int len;
47fe47f01fea Implement dm_strdup_vprintf_len(const char fmt, va_list args, int len), which Matti Hamalainen <ccr@tnsp.org> parents: 1102 diff changeset	210 return dm_strdup_vprintf_len(fmt, args, &len);
47fe47f01fea Implement dm_strdup_vprintf_len(const char fmt, va_list args, int len), which Matti Hamalainen <ccr@tnsp.org> parents: 1102 diff changeset	211 }
47fe47f01fea Implement dm_strdup_vprintf_len(const char fmt, va_list args, int len), which Matti Hamalainen <ccr@tnsp.org> parents: 1102 diff changeset	212
47fe47f01fea Implement dm_strdup_vprintf_len(const char fmt, va_list args, int len), which Matti Hamalainen <ccr@tnsp.org> parents: 1102 diff changeset	213
0 32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	214 char dm_strdup_printf(const char fmt, ...)
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	215 {
1884 47fe47f01fea Implement dm_strdup_vprintf_len(const char fmt, va_list args, int len), which Matti Hamalainen <ccr@tnsp.org> parents: 1102 diff changeset	216 int len;
0 32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	217 char *res;
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	218 va_list ap;
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	219
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	220 va_start(ap, fmt);
1884 47fe47f01fea Implement dm_strdup_vprintf_len(const char fmt, va_list args, int len), which Matti Hamalainen <ccr@tnsp.org> parents: 1102 diff changeset	221 res = dm_strdup_vprintf_len(fmt, ap, &len);
0 32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	222 va_end(ap);
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	223
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	224 return res;
32250b436bca Initial re-import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	225 }

Mercurial > hg > dmlib

annotate src/dmstring.c @ 2079:9b6027d51f76